Page 89 of 317

86 Trip computer
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
To calibrate the compass:
If the vehicle was exposed to a significant magnetic
zone, such as high voltage power lines, the compass
may have to be calibrated.
Calibration of the compass should be done in an area
free of steel superstructures and power lines. All
electrical consumers (e.g. exterior lamps, climate
control, etc.) should be switched off, doors and liftgate
closed. Do not open or close the roof. An open door or
liftgate triggers the display “–––”.
1. Start and run the engine.
2. Press MODE key repeatedly until the compass
display appears in the trip computer display.
3. Press RESET key to select the compass zone display.
4. Press RESET repeatedly until the correct zone, as
determined from the zone map (see page 85), is
shown in the display.
5. Press MODE key, “CAL–” appears in the display.
6. Press and hold RESET for a minimum of 2 seconds.7. Without interruption drive two or more full circles
at a speed between 3 mph (5 km / h) and 7 mph
(10 km / h) during which the message “CAL” is
replaced with a compass bearing (e.g. N, SW etc.),
immediately followed by three full circles at the
same speed, with only the rear window defroster
switched on. The defroster can be switched off
again. The calibration of the compass is now
complete.
•Stop watch –
Press RESET key to start the count. Press again to
stop the count. Press and hold RESET key to reset
sto p watch.
•Average fuel consumption –
Press RESET key to delete present reading.
•Language –
Press RESET key to set the language used in the
display.
Page 90 of 317

87 Flexible service system
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Flexible service system (FSS)
(service indicator)
The FSS permits a flexible service schedule that is
directly related to the operating conditions of the
vehicle.
The symbol 9 or ´ appears in the main odometer
field prior to the next suggested service. Depending on
operating conditions throughout the year, the next
service is calculated and displayed in days or distance
remaining.The display begins to appear either 30 days or
2000 miles / km prior to the next suggested service.
The symbols 9 or ´ indicate the type of service
to be performed:
9Service A
´Service B
The message is displayed for approximately 10 seconds
when turning the key in steering lock to position 2, or
while driving when reaching the service warning
threshold.
The message can be canceled manually by pressing
button (1).
The next service due date is displayed either in days or
in miles, depending on your driving style.
Once the suggested term has passed, the symbol 9
or ´ plus message, preceded by a – (minus symbol)
blinks every time when turning the key in steering lock
to position 2.
Calling up service indicator manually:
Activate the instrument cluster, see page 80.
Within 4 seconds press button (1) twice to call up the
FSS display for approximately 10 seconds.
Page 91 of 317

88 Flexible service system
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Important!
The FSS indicator is not an engine oil level indicator.
See page 89 for engine oil level indicator.
Notes:
When disconnecting vehicle battery for one or more
days at a time, such days will not be counted. Any such
days not counted by the FSS can be added by your
Mercedes-Benz Light Truck Center.
The interval between services is determined by the type
of driving for which the vehicle is used. For example,
driving at extreme speeds, and cold starts combined
with short distance driving in which the engine does not
reach normal operating temperature, reduce the interval
between services.
Following a completed A or B service the Mercedes-
Benz Light Truck Center sets the counter mileage to
10 000 miles (Canada: 15 000 km) and 365 days.
The counter can also be set by any individual. To do so:
1. Turn the key in steering lock to position 2.
2. Immediately press button (1) twice within one
second.3. The present status for days or distance is displayed.
Within 10 seconds turn key in steering lock to
position 0.
4. Press and hold button (1), while turning key in
steering lock to position 2 again. The present status
for days or distance is displayed once more.
Continue to hold button (1).
After approximately 10 seconds a signal sounds, and
the display shows 10 000 miles (Canada: 15 000 km)
for approximately 10 seconds.
5. Release button (1).
If the FSS counter was inadvertently reset, have it
corrected at a Mercedes-Benz Light Truck Center.
Notes:
The FSS allows for distances between 10 000 miles
(Canada: 15 000 km) and 20 000 miles (Canada:
30 000 km), or from 365 to 730 days between services.
However you choose to set your reference numbers, the
scheduled services as posted in the Service Booklet
must be followed to properly care for your vehicle.
Page 92 of 317

89 Engine oil level indicator
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Engine oil level indicator
To check the engine oil level, park vehicle on level
ground, with engine at normal operational temperature.
Check oil level approximately 5 minutes after stopping
the engine, allowing for the oil to return to the oil pan.
Turn the key in steering lock to position 2 and wait until
the display “––––––” appears in the odometer display
field.
Within 1 second press button (1) twice.The following messages are available:
“OIL i.O”
No oil needs to be added.
“–1.0 L”
“–1.5 L”
“–2.0 L”
Add oil to upper (max) mark of the dipstick.
See page 233 for instructions on adding engine oil.
“OIL HI”
Do not overfill the engine.
Excessive oil must be siphoned or drained off. It could
cause damage to the engine and catalytic converter not
covered by the Mercedes-Benz Limited Warranty.
The display “––––––” flashes in the odometer display
field if a proper oil level check cannot be performed. The
engine oil level check can be repeated after a short time.
Perform the engine oil level check with the dipstick, if it
cannot be completed via the odometer display field.
See page 233.
In this case we recommend that you have the system
checked at a Mercedes-Benz Light Truck Center.
Page 100 of 317
97 Rear window wiper/washer
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Windshield wipers smear
If the windshield wipers smear the windshield, even
during rain, activate the washer system as often as
necessary. The fluid in the washer reservoir should be
mixed in the correct ratio.
Note:
For windshield and headlamp washer fluid mixing ratio
see page 237.Blocked windshield wipers
If the windshield wipers become blocked (for example,
due to snow), switch off the wipers.
For safety reasons before removing ice or snow, remove
key from steering lock. Remove blockage.
Activate windshield wiper / washer switch again (key in
steering lock position 1).
Page 110 of 317

107 Interior equipment
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Sliding /pop-up roof (optional)
1to slide roof open
2to slide roof closed
3to raise roof at rear
4to lower roof at rearThe sliding /pop-up roof can be operated with key in
steering lock position 1 or 2.
Notes:
The sliding /pop-up roof can be opened or closed
manually should an electrical malfunction occur, see
page 272.
After turning off the engine the sliding /pop up roof can
be operated for approximately 30 minutes or until a
front door is opened.
RESETMODE
P68.00-2429-26
Wa r n i n g !
When closing the sliding /pop-up roof, be sure that
there is no danger of anyone being harmed by the
closing procedure.The closing procedure can be immediately reversed
by moving the switch in direction (1) or (3).When leaving the vehicle, always remove the key
from steering lock, and lock your vehicle. Do not
leave children unattended in the vehicle, or with
access to an unlocked vehicle. Unsupervised use of
vehicle equipment can cause serious personal
injury.
Page 111 of 317
108 Interior equipment
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
With the roof closed or tilted open, a screen can be slid
into the roof opening to guard against sun rays. When
sliding the roof open, the screen will also retract.Express opening of sliding /pop-up roof
To open sliding /pop-up roof automatically, briefly move
switch in direction (1) and release. The roof will not
open fully. Press again to open it fully.
To interrupt procedure, brief ly move switch in any
direction.
Note:
For resynchronizing the express opening feature see
page 272.
RESETMODE
Page 112 of 317

109 Interior equipment
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Skyview Top (optional)
The Skyview Top can be operated with key in steering
lock position 1 or 2.
1to slide roof open
2to slide roof closedTo fully open Skyview Top automatically, brief ly press
switch in direction (1) and release. To stop the process,
press switch again.
Notes:
After turning off the engine the Skyview Top can be
operated for approximately 30 minutes or until a front
door is opened.
The Skyview Top can be opened or closed manually
should an electrical malfunction occur, see page 273.
RESETMODE
Wa r n i n g !
When closing the Skyview Top, be sure that there
is no danger of anyone being h armed by th e closing
procedure.The closing procedure can be immediately reversed
by moving the switch in direction (1).When leaving the vehicle, always remove the key
from steering lock, and lock your vehicle. Do not
leave children unattended in the vehicle, or with
access to an unlocked vehicle. Unsupervised use of
vehicle equipment can cause serious personal
injury.